Cheap flights from Rapid City to London

One-way fares from $447 · RAP → LON · prices found by travellers in the last 48 hours

Cheapest fare
$447

Allegiant Air · Wed, Dec 9

Cheapest month
December

from $447

Direct flights
Not recently

Usually 1+ stop

Quickest trip
16h 02m

7,080 km

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Cheapest month to fly from Rapid City to London

Lowest one-way fare per person in each month. Choose a month to see every date.

  1. December 2026 Cheapest $447

Cheapest dates in December 2026

The lowest fares we've seen for each day, cheapest first.

Allegiant Air
Depart14:48 Wed, Dec 9RAP → LTN 16h 02m · 3 stops
$447one way, per person
View deal
See every date in December 2026 →

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About flights from Rapid City to London

Rapid City (RAP) and London (LON) are about 7,080 km apart. We haven't seen direct fares on this route recently, so expect at least one stop; the quickest journey we've seen takes about 16h 02m. Over the next few months, one-way fares start from $447, and December 2026 is currently the cheapest month to fly.

These prices come from searches travellers made in the last 48 hours, so they move quickly. If you see a good fare, it's worth booking soon. FlightsExp is free to use: you book directly with our travel partner.

Frequently asked questions

How much is a flight from Rapid City to London?

The cheapest one-way fare we've seen recently is $447 with Allegiant Air, departing Wednesday, December 9, 2026.

What is the cheapest month to fly from Rapid City to London?

December 2026 currently has the lowest fares, from $447 one way.

Are there direct flights from Rapid City to London?

We haven't seen direct fares recently, so most journeys include at least one stop.

How long is the flight from Rapid City to London?

The quickest journey we've seen takes about 16h 02m. Rapid City and London are around 7,080 km apart.

Which airlines fly from Rapid City to London?

Recent fares on this route were with Allegiant Air.

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